/**
 * Copyright 2010 The PlayN Authors
 *
 * <p>Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of the License at
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.gwtproject.nio;

import elemental2.core.ArrayBufferView;

/**
 * Allows us to get direct access to the typed array used by the nio buffer emulation in GWT. All
 * nio buffer types implement this interfaces in GWT mode. This can be used only in HTML-platform
 * specific code.
 */
public interface HasArrayBufferView {

  /* Returns the underlying typed array buffer view. */
  ArrayBufferView getTypedArray();

  /**
   * Returns the element size in bytes (e.g. 4 for a FloatBuffer and 1 for a ByteBuffer).
   *
   * @return int value
   */
  int getElementSize();

  /**
   * Returns the open GL element type constant corresponding to the buffer contents.
   *
   * @return int value
   */
  int getElementType();
}
